Back to EveryPatent.com
United States Patent | 6,064,876 |
Ishida ,   et al. | May 16, 2000 |
A mobile communications system including a voice message function in both a communications network (10) and a mobile station (20). If the mobile station (20) does not respond, the communications network responds instead thereof, stores a message, and notifies the mobile station of the presence of the message. The mobile station requests the transfer of the message when accessible. The message can be positively sent to a mobile station even if it is not accessible for a long time.
Inventors: | Ishida; So (Tama, JP); Tsukahara; Hiroshi (Tokorozawa, JP) |
Assignee: | NTT Mobile Communications Network, Inc. (Tokyo, JP) |
Appl. No.: | 666310 |
Filed: | July 3, 1996 |
PCT Filed: | November 1, 1995 |
PCT NO: | PCT/JP95/02234 |
371 Date: | July 3, 1996 |
102(e) Date: | July 3, 1996 |
PCT PUB.NO.: | WO96/14718 |
PCT PUB. Date: | May 17, 1996 |
Nov 04, 1994[JP] | 6-271585 |
Current U.S. Class: | 455/412.1; 370/445; 370/448; 379/88.23 |
Intern'l Class: | H04M 011/10 |
Field of Search: | 455/412,413,403,445,461,510,421,458,459 379/89,88.23,211 370/329,330,341,445,448 |
4964156 | Oct., 1990 | Blair | 455/413. |
5109400 | Apr., 1992 | Patsiokas et al. | 455/412. |
5164942 | Nov., 1992 | Kamerman et al. | 370/448. |
5327481 | Jul., 1994 | Horimoto | 455/412. |
5627878 | May., 1997 | Strauch | 455/413. |
Foreign Patent Documents | |||
A-58-53526 | Nov., 1983 | JP. | |
4-45621 | Feb., 1992 | JP. | |
A-5-66783 | Sep., 1993 | JP. | |
5-300245 | Nov., 1993 | JP. | |
5-292205 | Nov., 1993 | JP. | |
6-284179 | Oct., 1994 | JP. |